9851980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1873}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 20778912

約数和(自身を除く): 10926932

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1873, 2630, 3746, 5260, 7492, 9365, 18730, 37460, 492599, 985198, 1970396, 2462995, 4925990, 9851980]

約数ペア:

[(1, 9851980), (2, 4925990), (4, 2462995), (5, 1970396), (10, 985198), (20, 492599), (263, 37460), (526, 18730), (1052, 9365), (1315, 7492), (1873, 5260), (2630, 3746)]